.footer, .copy {
    color:white;
    background-color: #22212f;
}

.footer>.auto-center {
    display: flex;
    align-items: flex-start;
    padding-top: 57px;
}

.footer .service {
    width:290px;
    border-right: 1px solid #4c4f5f;
}

.footer .chat {
    display: flex;
    padding: 0 30px 18px;
}

.footer .concat {
    flex:1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-left:10px;
}

.footer .phone {
    font-size: 22px;
}

.footer .phone-desc {
    font-size: 14px;
    color: #d2d2d2;
}

.footer .qrcode {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer .qrcode-desc {
    margin-top: 15px;
    color: #cecece;
    font-size: 12px;
}

.footer .nav {
    flex:1;
    display: flex;
    justify-content: flex-end;
    font-size: 14px;
}

.footer .nav>.nav-item {
    display: flex;
    flex-direction: column;
    margin-left:150px;
}

.footer .nav .title {
    font-size: 16px;
    margin-bottom: 42px;
}

.footer .nav-item a {
    margin-bottom: 20px;
}

.copy {
    padding-top: 20px;
}

.copy>.auto-center {
    text-align: center;
    line-height: 50px;
    border-top: 1px solid #4c4f5f;
    color:#7e8088;
}